//package com.example.mitao.utils.imagepicker;
//
//import android.content.Context;
//import android.graphics.Bitmap;
//import android.graphics.BitmapShader;
//import android.graphics.Canvas;
//import android.graphics.Matrix;
//import android.graphics.Paint;
//import android.graphics.RectF;
//import android.graphics.Shader;
//import androidx.annotation.NonNull;
//import com.bumptech.glide.Glide;
//import com.bumptech.glide.load.Transformation;
//import com.bumptech.glide.load.engine.Resource;
//import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
//import com.bumptech.glide.load.resource.bitmap.BitmapResource;
//import com.lzy.imagepicker.util.Utils;
//import com.sowell.libbaseview.BaseViewManager;
//
//import java.security.MessageDigest;
//
///**
// * 基于glide设置图片部分圆角
// */
//public class RoundedCornersTransform implements Transformation<Bitmap> {
//    private BitmapPool mBitmapPool;
//
//    private float radius;
//
//    private boolean isLeftTop, isRightTop, isLeftBottom, isRightBotoom;
//
//    /**
//     * 需要设置圆角的部分
//     *
//     * @param leftTop     左上角
//     * @param rightTop    右上角
//     * @param leftBottom  左下角
//     * @param rightBottom 右下角
//     */
//    public void setNeedCorner(boolean leftTop, boolean rightTop, boolean leftBottom, boolean rightBottom) {
//        isLeftTop = leftTop;
//        isRightTop = rightTop;
//        isLeftBottom = leftBottom;
//        isRightBotoom = rightBottom;
//    }
//
//    /**
//     * @param radius_dp  圆角幅度 dp
//     */
//    public RoundedCornersTransform(float radius_dp) {
//        this.mBitmapPool = Glide.get(BaseViewManager.getInstance().getContext()).getBitmapPool();
//        this.radius = dipToPx(BaseViewManager.getInstance().getContext(),radius_dp);
//    }
//
//    public int dipToPx(Context context, float dpValue) {
//        final float scale = context.getResources().getDisplayMetrics().density;
//        return (int) (dpValue * scale + 0.5f);
//    }
//
//    @NonNull
//    @Override
//    public Resource<Bitmap> transform(@NonNull Context context, @NonNull Resource<Bitmap> resource, int outWidth, int outHeight) {
//
//        Bitmap source = resource.get();
//        int finalWidth, finalHeight;
//        //输出目标的宽高或高宽比例
//        float scale;
//        if (outWidth > outHeight) {
//            //如果 输出宽度 > 输出高度 求高宽比
//
//            scale = (float) outHeight / (float) outWidth;
//            finalWidth = source.getWidth();
//            //固定原图宽度,求最终高度
//            finalHeight = (int) ((float) source.getWidth() * scale);
//            if (finalHeight > source.getHeight()) {
//                //如果 求出的最终高度 > 原图高度 求宽高比
//
//                scale = (float) outWidth / (float) outHeight;
//                finalHeight = source.getHeight();
//                //固定原图高度,求最终宽度
//                finalWidth = (int) ((float) source.getHeight() * scale);
//            }
//        } else if (outWidth < outHeight) {
//            //如果 输出宽度 < 输出高度 求宽高比
//
//            scale = (float) outWidth / (float) outHeight;
//            finalHeight = source.getHeight();
//            //固定原图高度,求最终宽度
//            finalWidth = (int) ((float) source.getHeight() * scale);
//            if (finalWidth > source.getWidth()) {
//                //如果 求出的最终宽度 > 原图宽度 求高宽比
//
//                scale = (float) outHeight / (float) outWidth;
//                finalWidth = source.getWidth();
//                finalHeight = (int) ((float) source.getWidth() * scale);
//            }
//        } else {
//            //如果 输出宽度=输出高度
//            finalHeight = source.getHeight();
//            finalWidth = finalHeight;
//        }
//
//        //修正圆角
//        this.radius *= (float) finalHeight / (float) outHeight;
//        Bitmap outBitmap = this.mBitmapPool.get(finalWidth, finalHeight, Bitmap.Config.ARGB_8888);
//        if (outBitmap == null) {
//            outBitmap = Bitmap.createBitmap(finalWidth, finalHeight, Bitmap.Config.ARGB_8888);
//        }
//
//        Canvas canvas = new Canvas(outBitmap);
//        Paint paint = new Paint();
//        //关联画笔绘制的原图bitmap
//        BitmapShader shader = new BitmapShader(source, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
//        //计算中心位置,进行偏移
//        int width = (source.getWidth() - finalWidth) / 2;
//        int height = (source.getHeight() - finalHeight) / 2;
//        if (width != 0 || height != 0) {
//            Matrix matrix = new Matrix();
//            matrix.setTranslate((float) (-width), (float) (-height));
//            shader.setLocalMatrix(matrix);
//        }
//
//        paint.setShader(shader);
//        paint.setAntiAlias(true);
//        RectF rectF = new RectF(0.0F, 0.0F, (float) canvas.getWidth(), (float) canvas.getHeight());
//        //先绘制圆角矩形
//        canvas.drawRoundRect(rectF, this.radius, this.radius, paint);
//
//        //左上角圆角
//        if (!isLeftTop) {
//            canvas.drawRect(0, 0, radius, radius, paint);
//        }
//        //右上角圆角
//        if (!isRightTop) {
//            canvas.drawRect(canvas.getWidth() - radius, 0, canvas.getWidth(), radius, paint);
//        }
//        //左下角圆角
//        if (!isLeftBottom) {
//            canvas.drawRect(0, canvas.getHeight() - radius, radius, canvas.getHeight(), paint);
//        }
//        //右下角圆角
//        if (!isRightBotoom) {
//            canvas.drawRect(canvas.getWidth() - radius, canvas.getHeight() - radius, canvas.getWidth(), canvas.getHeight(), paint);
//        }
//
//        return BitmapResource.obtain(outBitmap, this.mBitmapPool);
//    }
//
//
//    @Override
//    public void updateDiskCacheKey(@NonNull MessageDigest messageDigest) {
//    }
//}
